java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:42:37,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:42:37,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:42:37,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:42:37,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:42:37,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:42:37,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:42:37,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:42:37,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:42:37,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:42:37,853 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:42:37,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:42:37,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:42:37,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:42:37,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:42:37,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:42:37,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:42:37,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:42:37,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:42:37,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:42:37,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:42:37,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:42:37,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:42:37,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:42:37,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:42:37,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:42:37,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:42:37,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:42:37,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:42:37,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:42:37,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:42:37,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:42:37,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:42:37,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:42:37,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:42:37,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:42:37,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:42:37,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:42:37,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:42:37,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:42:37,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:42:37,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:42:37,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:42:37,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:42:37,946 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:42:37,947 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:42:37,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl [2019-08-05 11:42:37,948 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl' [2019-08-05 11:42:37,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:42:37,985 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:42:37,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:42:37,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:42:37,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:42:38,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... [2019-08-05 11:42:38,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... [2019-08-05 11:42:38,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... [2019-08-05 11:42:38,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... [2019-08-05 11:42:38,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... [2019-08-05 11:42:38,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... [2019-08-05 11:42:38,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... [2019-08-05 11:42:38,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:42:38,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:42:38,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:42:38,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:42:38,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:42:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:42:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:42:38,395 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:42:38,395 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:42:38,397 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:42:38 BoogieIcfgContainer [2019-08-05 11:42:38,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:42:38,397 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:42:38,397 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:42:38,398 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:42:38,400 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:42:38" (1/1) ... [2019-08-05 11:42:38,409 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:42:38,411 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:42:38,418 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:42:38,426 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:42:38,428 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:42:38,644 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-05 11:42:38,970 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-08-05 11:42:39,439 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2019-08-05 11:42:39,638 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 97 [2019-08-05 11:42:39,957 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 123 [2019-08-05 11:42:40,078 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2019-08-05 11:42:40,556 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 162 [2019-08-05 11:42:40,771 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 175 [2019-08-05 11:42:40,972 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 188 [2019-08-05 11:42:41,198 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 201 [2019-08-05 11:42:41,442 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 214 [2019-08-05 11:42:41,787 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 227 [2019-08-05 11:42:41,907 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2019-08-05 11:42:42,251 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 240 [2019-08-05 11:42:42,650 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 253 [2019-08-05 11:42:43,116 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 266 [2019-08-05 11:42:43,239 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 277 [2019-08-05 11:42:44,035 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 279 [2019-08-05 11:42:44,693 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-08-05 11:42:45,082 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-08-05 11:42:45,190 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-05 11:42:45,412 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-08-05 11:42:45,427 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:42:45,427 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:42:45,432 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 145#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (<= ULTIMATE.start_main_~i~5 1024) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (not (= (select ULTIMATE.start_main_~A~5 (+ ULTIMATE.start_main_~i~5 (- 1))) 0)) (= 0 (select ULTIMATE.start_main_~A~5 ULTIMATE.start_main_~i~5))) [2019-08-05 11:42:45,440 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:42:45,444 INFO L168 Benchmark]: Toolchain (without parser) took 7458.89 ms. Allocated memory was 140.5 MB in the beginning and 240.6 MB in the end (delta: 100.1 MB). Free memory was 108.8 MB in the beginning and 209.2 MB in the end (delta: -100.4 MB). Peak memory consumption was 116.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:45,445 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:42:45,446 INFO L168 Benchmark]: Boogie Preprocessor took 42.08 ms. Allocated memory is still 140.5 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:45,447 INFO L168 Benchmark]: RCFGBuilder took 365.42 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 96.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:45,448 INFO L168 Benchmark]: Symbolic Interpretation took 7043.39 ms. Allocated memory was 140.5 MB in the beginning and 240.6 MB in the end (delta: 100.1 MB). Free memory was 96.7 MB in the beginning and 209.2 MB in the end (delta: -112.5 MB). Peak memory consumption was 104.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:45,452 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 57]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.08 ms. Allocated memory is still 140.5 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.42 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 96.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7043.39 ms. Allocated memory was 140.5 MB in the beginning and 240.6 MB in the end (delta: 100.1 MB). Free memory was 96.7 MB in the beginning and 209.2 MB in the end (delta: -112.5 MB). Peak memory consumption was 104.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...